Non-penicillin Augmentin equivalent? Allergic reaction to augmentin?

Well it is difficult to say if this is an actual allergic reaction or what your doctor actually says it is. Normally, if you were allergic to Augmentin you would have had a reaction way before the 4th day, probably even the first day. I would say just see if you can get on a non-penicillin antibiotic just in case, but I doubt you are allergic to it.